TODAY AUG16
TEMPERATURE86
HUMIDITY52
PRESSURE30.13
WIND COND.230 4.7
  • 9075Fri50%
  • 8672Sat30%50%
  • 8169Sun40%30%
  • 8170Mon
  • 8572Tue50%50%
daynightWeather update from St Marys County Airport at

St. Leonard Average Weather

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January29°F46°F37°F2.6"
February29°F48°F38°F2.4"
March37°F56°F46°F3.4"
April47°F68°F57°F4.0"
May57°F75°F66°F4.0"
June66°F84°F75°F4.9"
July71°F88°F79°F3.9"
August69°F86°F77°F5.1"
September63°F80°F71°F4.1"
October52°F70°F61°F6.2"
November41°F59°F50°F3.2"
December33°F51°F42°F3.7"

Did you know?

  • The highest monthly average temperature in St. Leonard for July is 79 degrees.
  • The lowest monthly average temperature in St. Leonard for January is 37 degrees.
  • The most monthly precipitation in St. Leonard occurs in October with 6.2 inches.
  • The air quality index in St. Leonard is 25% better than the national average.
  • The pollution index in St. Leonard is 92% better than the national average.

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Compare St. Leonard, MD Weather To Other Cities

St. Leonard air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
IndexSt. LeonardMarylandNational
Air quality index374350
Pollution index384,1336,283,4705,066,862

St. Leonard air quality information

MeasurementTotal
Days measured365
Days with good air quality315
Days with moderate air quality50
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

St. Leonard air quality information

PollutantTotal
Arsenic0.010%
Benzene0.010%
Carbon Tetrachloride0.001%
Lead0.003%
Mercury0.000%

Average monthly St. Leonard temperature with heat index

St. Leonard monthly precipitation with daily maximum

St. Leonard monthly snow depth with daily maximum

St. Leonard monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Broomes Island, MD4563726%
Drum Point, MD2,9173726%
Lusby, MD1,7903726%
Taylors Island, MD1913726%
California, MD12,3863726%
St. Leonard, MD6233726%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Etna Green, IN623468%
Valleyview, OH6234314%
Ringwood, OK6234412%
New Albin, IA6234020%
Mechanicsburg, IL6233530%
St. Leonard, MD6233726%
Source: The St. Leonard, MD weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.